Introduction
Lighthouse 12 arrives with new metrics and stricter audits. Google's tool keeps evolving to evaluate web performance with updated criteria.
New Metrics
Interaction to Next Paint (INP) becomes an official metric, replacing FID. New metrics for responsiveness and animation smoothness are also added.
Accessibility Audits
New WCAG 2.2 audits for visible focus, ARIA labels, and color contrast. Lighthouse 12 is stricter on accessibility.
JavaScript Performance
New audits for evaluating JavaScript's performance impact. Detects heavy libraries, unused code, and render-blocking scripts.
How to Improve Your Score
Optimize images with modern formats, minimize JavaScript with code splitting, use lazy loading, and ensure fast server response times.
Conclusion
Lighthouse 12 raises the web quality standard. At Vynta, we audit and optimize sites to achieve the best Lighthouse scores.